Effectiveness and safety of generic memantine hydrochloride manufactured in China in the treatment of moderate to severe Alzheimer ’s disease:a multicenter, double-blind randomized controlled trial
funded by Major New Medication Development Program(2012ZX09303005-002);;the National Key Clinical Disciplines at Shanghai Mental Health Center(Office of Medical Affairs,Ministry of Health,2011-873;;OMA-MH,2011-873);;provided by the Hefei Zhongkeda Biological and Technology Company;;approved by the Chinese Food and Drug Administration(2005l02694);